public async Task <IHttpActionResult> List([FromBody] BillingSearchParamViewModel searchParams) { var inParams = Mapper.Map <BillingSearchParams>(searchParams); var result = await _billingService.List(inParams); var viewmodels = new List <BillingViewModel>(); foreach (var item in result) { viewmodels.Add(Mapper.Map <BillingViewModel>(item)); } return(Ok(viewmodels)); }